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Numerical Investigation of Key Structural Parameters for Middle-Buried Rubber Waterstops

Author

Listed:
  • Yimin Wu

    (School of Civil Engineering, Central South University, Changsha 410075, China)

  • Haiping Wu

    (School of Civil Engineering, Central South University, Changsha 410075, China)

  • Chenjie Gong

    (School of Civil Engineering, Central South University, Changsha 410075, China)

  • Le Huang

    (Hubei Provincial Communications Planning and Design Institute Co., Ltd., Wuhan 430050, China)

Abstract

Leakage at the lining joints of mountain tunnels is frequent. According to the waterproofing mechanism of waterstops, it is known that the deformation of middle-buried rubber waterstops under stress in typical operating conditions determines their waterproof performance. In addition to the deformation of the adjacent lining concrete, the structural parameters of waterstops are the main factors influencing their deformation under stress. This study combines the common structural components of middle-buried waterstops and considers the bond strength between waterstops and the concrete. A localized numerical model of the lining joint is constructed to explore the impact of geometric parameters, such as hole size, number and position of waterstop ribs, and length and thickness of wing plates on the stress-induced deformation and waterproof performance of the waterstops. The effective mechanisms of different components are revealed, and recommended structural parameters are proposed to further optimize the design of middle-buried rubber waterstops.

Suggested Citation

  • Yimin Wu & Haiping Wu & Chenjie Gong & Le Huang, 2023. "Numerical Investigation of Key Structural Parameters for Middle-Buried Rubber Waterstops," Mathematics, MDPI, vol. 11(16), pages 1-22, August.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:16:p:3546-:d:1218680
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    References listed on IDEAS

    as
    1. Yang, Xuehua & Wu, Lijiao & Zhang, Haixiang, 2023. "A space-time spectral order sinc-collocation method for the fourth-order nonlocal heat model arising in viscoelasticity," Applied Mathematics and Computation, Elsevier, vol. 457(C).
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